Vulcan
RSA Cape 31Sail number RSA/RSA31013
GPH
545.3
OSN
528.3
LOA
9.573 m
Displacement
1775 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7496
Medium
0.9911
High
1.1802
Triple Offshore
Low
0.9587
Medium
1.2346
High
1.4509
Boat Specifications
Dimensions
- Length overall
- 9.573 m
- Beam
- 3.05 m
- Draft
- 2.44 m
- Displacement
- 1775 kg
- Crew weight
- 595 kg
- Wetted surface
- 20.39 m²
Sails
- Mainsail
- 37.73 m²
- Genoa
- 23.41 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 116.74 m²
Design
- Type
- Cape 31
- Builder
- Noordhoek
- Designer
- Mills
- Year built
- 2017
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 6.05 | 6.35 | 6.54 | 6.4 | 6.5 | 6.37 | 5.65 | 4.75 |
| 8 | 7.05 | 7.25 | 7.37 | 7.3 | 7.61 | 7.55 | 7.08 | 6.04 |
| 10 | 7.51 | 7.83 | 8.12 | 8.03 | 8.42 | 8.58 | 8.05 | 7.07 |
| 12 | 7.77 | 8.14 | 8.7 | 8.88 | 9 | 9.42 | 9.17 | 8 |
| 14 | 7.96 | 8.37 | 9.02 | 9.6 | 9.54 | 10.11 | 10.49 | 8.98 |
| 16 | 8.11 | 8.55 | 9.3 | 10.07 | 10.07 | 10.77 | 11.77 | 10.15 |
| 20 | 8.31 | 8.8 | 9.72 | 10.81 | 11.92 | 12.06 | 13.72 | 13.48 |
| 24 | 8.31 | 8.85 | 9.93 | 11.32 | 13.29 | 13.72 | 15.64 | 16.89 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.4° | 4.01 | 142.4° | 4.11 |
| 8 | 39.8° | 4.86 | 145.6° | 5.23 |
| 10 | 38° | 5.28 | 148.9° | 6.12 |
| 12 | 37° | 5.48 | 149.4° | 6.93 |
| 14 | 36.6° | 5.6 | 146.1° | 7.78 |
| 16 | 36.3° | 5.68 | 144.9° | 8.79 |
| 20 | 36.3° | 5.78 | 144.7° | 11.68 |
| 24 | 37° | 5.72 | 149.3° | 14.63 |
Loading polar chart…